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        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><b style="mso-bidi-font-weight:normal">Entangling
        Relations</b> Dataset</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">David
        A. Lake</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">University
        of California, San Diego</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">&nbsp;<o:p>
        </o:p>
        </p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">Data
        used in constructing Table 7.1, Transportation Costs and Annual Changes
        in Alliances, 1816-1938, p. 281, of David A. Lake, <i style="mso-bidi-font-style:normal">Entangling
        Relations: American Foreign Policy in its Century</i> (Princeton:
        Princeton University Press, 1999).</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">&nbsp;<o:p>
        </o:p>
        </p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">Variables
        as defined and described on pp.278-282.</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">&nbsp;<o:p>
        </o:p>
        </p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><i style="mso-bidi-font-style:normal">AllyCh</i>
        (Alliance Change): Annual Net Change in all Defense Alliances. Alliance
        data from Annual Alliance Membership Dataset, 1815-1965, as defined in
        Singer and Small n.d. (ICPSR XXX).</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">&nbsp;<o:p>
        </o:p>
        </p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><i style="mso-bidi-font-style:normal">Allylag</i>:
        AllyCh lagged one year.</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">&nbsp;<o:p>
        </o:p>
        </p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><i style="mso-bidi-font-style:normal">Year</i>:
        Year.</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">&nbsp;<o:p>
        </o:p>
        </p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><i style="mso-bidi-font-style:normal">Threat</i>:
        Sum of military personnel per capita for Germany, France, and the United
        Kingdom. Military personnel and population data from National
        Capabilities Dataset, as defined in Singer and Small 1993. <i style="mso-bidi-font-style:normal">Threat1</i>:
        Threat lagged one year.</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">&nbsp;<o:p>
        </o:p>
        </p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><i style="mso-bidi-font-style:normal">Power</i>:
        British iron and steel production minus German iron and steel
        production. Iron and steel production data from National Capabilities
        Dataset, as defined in Singer and Small 1993. <i style="mso-bidi-font-style:normal">Power1</i>:
        Power lagged one year.</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">&nbsp;<o:p>
        </o:p>
        </p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><i style="mso-bidi-font-style:normal">Indus</i>
        (Industrialization): Energy usage per capita in the United Kingdom.
        Energy usage and population data from National Capabilities Dataset, as
        defined in Singer and Small 1993. <i style="mso-bidi-font-style:normal">Indus1</i>:
        Indus lagged one year.</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">&nbsp;<o:p>
        </o:p>
        </p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><i style="mso-bidi-font-style:normal">BGrain</i>
        (British Grain): Price series based on freight factors to London from,
        variously, the Baltic, Black Sea, east coast of North America, South
        America, and Australia, in constant shillings. Data from Harley 1988,
        pp.873-75.</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">&nbsp;<o:p>
        </o:p>
        </p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><i style="mso-bidi-font-style:normal">Tramp</i>
        (Tramp Shipping): An index of tramp shipping rates (1869 = 100). Data
        from Mitchell 1962, p.224.</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">&nbsp;<o:p>
        </o:p>
        </p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><i style="mso-bidi-font-style:normal">Chicago</i>
        (Chicago to Liverpool): A price series of freight rates on grain per 100
        pounds from Chicago to Liverpool via rail to seaboard and then by ship,
        in constant 1996 dollars. Data from <i style="mso-bidi-font-style:normal">Statistical
        Abstract of the United States</i>, various years.</p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0">&nbsp;<o:p>
        </o:p>
        </p>
        <p class="MsoNormal" style="line-height: 100%; margin-top: 0; margin-bottom: 0"><i style="mso-bidi-font-style:normal">RailCost</i>
        (Rail Costs): A price series based on receipts per passenger mile
        traveled on all railways in Great Britain, in constant pounds (average
        of 1867-1877). Data from Mitchell 1962, 225-27 and 474-75.</p>
        <p style="line-height: 100%; margin-top: 0; margin-bottom: 0">&nbsp;</td>
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